Soap bar



FIG. 1 is a front perspective view of the soap bar showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a side elevational view thereof. 

The ornamental design for a soap bar, as shown and described. 